Rinse pepperoni, remove the core. Chop coarsely. In a frying pan with a lid, add a little sugar, salt and water, simmer a little pepperoni, remove the lid and add the olive oil. When pepperoni will acquire a brown shade, put them out of the frying pan and fry the garlic cloves and mix with pepper. For the sauce, mix the yogurt with through a press garlic, salt and well mixed. Serve with pita bread and pepperoni sauce.